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OSHA ANSI A10.8 standards
16’, 10’, and 8’ OSHA-SCAFFPLANK MSR 2400
Para Español Llámenos al
DI - 65 SPECS
Dense Industrial 65 Scaffold Plank Proper use of 1 -1/2″ x 9 – 1/4″ (S4S) smooth surface scaffold plank under dry use (<19% moisture) that meets the grading rules published by the grading agencies approved by the American Lumber Standards Committee and ANSI safety requirements.
Conforms to ANSI A 10.8 Loading Requirements.
- Workers & tools weigh 250 pounds.
- One worker located at span center.
- Two workers located 18″ on either side of span center.
- Three workers located as indicated in requirements 2 & 3 above.
- Medium duty loading, 50 psf.
- Heavy duty loading, 75 psf.
We do not use ungraded candidate stock.
All lumber is stamped graded by the sawmill
Dense Industrial 65 Scaffold Plank
Stress Rating – 2200 F
Characteristics permitted and limiting provisions are as follows;
Compression wood – Prohibited if in readily identifiable and damaging form.
Checks – Surface seasoning checks, not limited; though checks at ends are limited as splits. Knots – Sound, firm, encased, and pith knots, if tight and well spaced are permitted on the wide face in sizes not to exceed the following:
On Wide FACES: 8″
KNOT sizes: 1-1/2″ 1-3/4″ 2″ 2-1/4″
unsound knots (1): 1″ 1″ 1-1/2″ 1-1/2″
Manufacture – Standard E (see para. 722(e))
Pitch and Pitch Streaks – Not limited
Pockets – Not limited
Shakes – On ends, limited as splits if through; away from ends, heart shakes up to 2′ long, none through; ring shakes 1/3 the width of piece.
Skips -Hit and miss on any face in occasional piece, but heavy skip on narrow face permitted in 10% of pieces.
Slope of Grain – 1 in 14.
Splits – Equal to width of the piece.
Stain – Medium.
Warp – 1/2 medium except very light twist.
Wane -1/4 the width, 1/4 the thickness except 5% of the pieces may have wane, 1/3 the width, 1/2 the thickness ,for 1/4 the length.
Taken from 2002 SPIB Standard Grading Rules for southern pine lumber Sec. 502, pgs.
ScaffPlank Tough and Safe
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